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More On Starting Older Deere Diesels
"I read with interest the story on starter problems with Deere 2-cyl. diesels in the last issue of FARM SHOW," says Mike Hanley, Cashton, Wis.
"We have two Deere 730 diesels. The problem I had was with the internal ground on the 24-volt system. Any nick in any wiring would fry the whole system.
"The g
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More On Starting Older Deere Diesels ENGINES Engines 23-5-41 "I read with interest the story on starter problems with Deere 2-cyl. diesels in the last issue of FARM SHOW," says Mike Hanley, Cashton, Wis.
"We have two Deere 730 diesels. The problem I had was with the internal ground on the 24-volt system. Any nick in any wiring would fry the whole system.
"The guy in your story was offering an add-on starter kit for $835 that converted the tractors to 12-volt. I had my 24-volt starters rebuilt to 12 volt at a cost of $270 each and added rebuilt GM 12-volt alternators wired for single wire for $65 each.
"As I understand it, there's a Deere 12-volt starter built for a piece of industrial equipment which has an armature and fields that fit into the late style starter motor casing of the 730. Deere had two starters for the 720 and 730. This conversion only works for the later style (JD #11073R û Delco Remy #1113830).
"The key is how to wire it. One of my 730's still has the four 6-volt batteries. The other has two 12-volt batteries. I wired in a "jumper solenoid" at the main solenoid. It came off an old Ford truck but a new one costs just $5. By doing this, the hot juice goes the shortest way possible from batteries to starter instead of batteries to dash to starter.
"The 24-volt system has two battery cables running from battery to starter. One's hot, the other is the internal ground. On the 12-volt system you leave both cables but wire them both hot and add a short ground to the frame. The two cables double the carrying capacity from batteries to starter.
"The only problem with this system is that if the tractor is laid up for a month or so, you should disconnect the ground at the batteries as the single wire alternator system will drain the batteries over time.
"I worked with J.G. Rebuilder & Supply, 1039 Czech Ave., Friendship, Wis. 53934 (ph 608 339-6580). They did the rebuilding on the starters."
Contact: FARM SHOW Followup, Mike Hanley, 26054 Mariner Rd., Cashton, Wis. 54619 (ph 608 654-5417).
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